The first lines of the log say:
As long as you have this the configuration file you create is not seen and aCM continues with the default configuration.
Can you open a terminal (cmd.exe) and enter:
and see if it lists the file or reports an error?
Code:
Configuration initialized OK
Reading configuration file C:\Users\cfier\AppData\Roaming\GIMP\2.10\plug-ins\addonCollectionManager.ini
Configuration file C:\Users\cfier\AppData\Roaming\GIMP\2.10\plug-ins\addonCollectionManager.ini not found or not readable: [Errno 2] No such file or directory: 'C:\\Users\\cfier\\AppData\\Roaming\\GIMP\\2.10\\plug-ins\\addonCollectionManager.ini'
As long as you have this the configuration file you create is not seen and aCM continues with the default configuration.
Can you open a terminal (cmd.exe) and enter:
Code:
dir C:\Users\cfier\AppData\Roaming\GIMP\2.10\plug-ins\addonCollectionManager.ini
and see if it lists the file or reports an error?